Group recommender system based on genre preference focusing on reducing the clustering cost

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Young-Duk Seo, Young-Gab Kim, Euijong Lee, Hyungjin Kim

Published: 2021, Last Modified: 07 Nov 2025Expert Syst. Appl. 2021EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Group recommender system focusing on genre preference value is proposed.•We cluster the groups based on genre preference vector to lower the clustering cost.•A new fine-grained item preference value for the aggregation method is proposed.•Group recommendation focusing on the genre improve both effectiveness and efficiency.